344872

Appears in sequences

• Number of permutations sigma such that |sigma(i+j)-sigma(i)| >= 5 for 1 <= i <= n - j, 1 <= j <= 4.at n=28A322308
• Expansion of e.g.f. 1/(1 + x/4 * log(1 - 2 * x)).at n=8A354327